OpenTechnical

OT-2026-000055323

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000055323) never changes.

Identity and time

Publication numberOT-2026-000055323 · never reused
Internal UUID01a0ae86-a100-7aa3-9d26-2f6189252fbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055323
StatusPUBLIC

Content hashes

Canonical textec2a02653214a4ece4391f75e4a54ec5a45c519f593b712d1be41e3aa67b9527
Markdown5c8621e106cf7bf1f21de1d166e28f9658a8f56d9fc9e062ab763ca8e2aeec05
PDF
Publication page912522b0edfcd6c33bb46bfc612a7544d9a5384dc2ab80c1fcc8ab17b4df5957
Manifestdaa0b7790405a69c4d62505321e20aead1ed86e82cc564999bcd502390f9851c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature8CoP1dGtkIwZVajG/+Ql/rqsqcpgToJyX1aqFHECwXGIR6LKapRhj3UDTaaAdqz2iFfTICXkL9azo95a3mKRDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:56.496649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055323
observed 912522b0edfcd6c33bb46bfc612a7544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:56.478771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055323/manifest.json
observed daa0b7790405a69c4d62505321e20aea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:56.461658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055323/publication.md
observed 5c8621e106cf7bf1f21de1d166e28f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:56.442877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055323/publication.txt
observed ec2a02653214a4ece4391f75e4a54ec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.